Sensata Technologies · Electronic Components
M221F125050541
Switch, Thermostatic
Part NumberM221F125050541
ManufacturerSensata Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-175-9157 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Contact Action StimulusINCREASE
Overall Width0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM
Operating Temp Rating180.0 FAHRENHEIT MAXIMUM
Contact Voltage Rating In Volts120.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Temp Sensing Element TypeINTERNAL SENSOR
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Overall Height0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM
Body Diameter0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Frequency In Hertz60.0 SINGLE VOLTAGE
Vendor Part Numbers7901851-01
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is M221F125050541 available?
We can source M221F125050541 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is M221F125050541 by Sensata Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M221F125050541 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like M221F125050541?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for M221F125050541?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.